Answer:
Its D education and ability
Explanation:
I took the test
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A mineral is a naturally occurring,inorganic, crystalline substance that aggregate to form rocks. Geologists separate minerals into classes based on their chemical composition. The different classes of minerals include halides, oxides, phosphates and sillicates. Rocks are usually classified based on the grouping and composition of minerals in rocks.
The Chinese city of Hong Kong was a British colonial territory that was returned to Chinese control in 1997.
Answer should be D) or the fourth option.
Answer:
Southeast Asia. Actions taken by governments to improve air quality ... standards to at least Euro 4/IV-equivalent; and 5) increasing investments in public ... pollution: 7) improving access to cleaner cooking and heating fuels; and 8) ... outdoor air pollution impacts compared to the indoor impact can be attributed to actions.
Explanation:
There's two main reasons why geologists think that the Earth's core is made out of iron:
1. The seismic waves that travel through the core are moving at a velocity that depends on the properties of the material the waves travel through, and the best fit in this case is the Iron (Fe).
2. The iron is the most abundant metal in the universe.
